Iconic Downing Street sign up 420% in London street sign sell-off

Some of London's most iconic street signs have been sold by local authorities, with the sign for Downing Street - home of the British Prime Minister - topping the auction.

John Antoniou is the sign's new owner, who plans to give it to his son

The Downing Street sign crossed the block on May 21 in Sussex, UK, selling for 7,800 ($11,855) and making a 420% increase on estimate.

Following was the example for Abbey Road, home of the famous Beatles-used studio, which sold for 4,350 ($6,553)to London property investor John Antoniou. Antoniou plans to give the sign to his son, a musician and producer.

Also selling was a cast iron post complete with a City of Westminster plaque, with signs pointing to famous landmarks such as Buckingham Palace. It sold for 2,800 ($4,255) - a 250% increase on estimate.